[linschn]

More important is that Greece is part of the EU while Turkey is not, and EU members are supposed to come to the aid of any member that is the victim of military aggression.

Many Ukrainians regretted not being part of the EU when Russia invaded.

[kyriakos]

Not so true about EU, as EU has no common foreign policy or army. On the other hand if a NATO member gets attacked its part of the treaty that others come to help, the problem in this case is that the attacker is also a member and I don't think it's clear what happens in that case.